Abstract
Sinonasal malignant tumors (SNMTs) represent a rare and heterogeneous group of tumors. SNMTs often present late which can lead to complex, patient-specific treatment decisions. Over the last two decades, endoscopic endonasal surgery (EES) has become a more frequently utilized surgical approach to removing these tumors. Increasingly, studies have compared the outcomes of this approach to traditional open approaches for different SNMTs. Differences in histology and extent of invasion impact the utility of EES. Negative margins are critical for improving survival; however, skull base involvement can add anatomical challenges for achieving negative margins during EES. This paper reviews the literature on outcomes of EES for SNMTs with skull base involvement and presents evidence supporting the utility of EES for select patients. EES is a safe and effective treatment in patients with less invasive SNMTs or less aggressive histology and can provide patients with fewer complications and morbidity than traditional open approaches. As such, it plays a key role in surgical management, providing either sole access or a critical avenue for SNMT removal. EES plays a key role in the multimodal oncological approach to the treatment of different SNMT histologies.
Published Version
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